42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
/*
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* @copyright Copyright (c) 2018 Julius Härtl <jus@bitgrid.net>
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*
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* @author Julius Härtl <jus@bitgrid.net>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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import chroma from 'chroma-js'
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export default {
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methods: {
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textColor(hex) {
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return chroma(hex ?? 'ffffff').get('lab.l') > 50 ? '#000000' : '#ffffff'
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},
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colorIsValid(hex) {
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const re = /[A-Fa-f0-9]{6}/
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if (re.test(hex)) {
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return true
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}
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return false
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},
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randomColor() {
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return Math.floor(Math.random() * (0xffffff + 1)).toString(16).padStart(6, '0')
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},
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},
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}
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